Hexagonal water storage unit assembly



FIG. 1 is a perspective view of a hexagonal water storage unit assembly;

FIG. 2 is a front elevation view thereof;

FIG. 3 is a rear elevation view thereof;

FIG. 4 is a right end elevation view thereof, with the left end being identical thereto;

FIG. 5 is a bottom view thereof; and,

FIG. 6 is a top view thereof. 

CLAIM The ornamental design for a hexagonal water storage unit assembly, as shown and described. 